Displays placement and attributes for a part.
----(SDPCB_INQ_PART)--(:PCBPART)--|part|---->
- :PCBPART - specifies a part name (e.g. "/PCB_TOP/LIB_PART/bnc")
SDPCB_ADD_PART terminate action
SDPCB_EXPAND_PART terminate action
SDPCB_MOVE_PART terminate action
SDPCB_RENAME_PART terminate action